From: Matthias Andree <matthias.andree@gmx.de>
To: Brian Gerst <bgerst@didntduck.org>
Cc: Matthias Andree <matthias.andree@gmx.de>,
Linux-Kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: cat /proc/bus/pnp/escd -> kernel segfault (2.6 BK)
Date: Mon, 27 Oct 2003 20:13:56 +0100 [thread overview]
Message-ID: <20031027191356.GA5966@merlin.emma.line.org> (raw)
In-Reply-To: <3F9D5458.9010704@didntduck.org>
On Mon, 27 Oct 2003, Brian Gerst wrote:
> Does this patch fix it?
Unfortunately not. I am not seeing SIGSEGV or something, the machine
freezes hard instead.
> diff -urN linux-2.6.0-test9-bk/arch/i386/mm/extable.c linux/arch/i386/mm/extable.c
> --- linux-2.6.0-test9-bk/arch/i386/mm/extable.c 2003-07-27 13:11:40.000000000 -0400
> +++ linux/arch/i386/mm/extable.c 2003-10-27 12:08:38.000000000 -0500
> @@ -34,7 +34,7 @@
> const struct exception_table_entry *fixup;
>
> #ifdef CONFIG_PNPBIOS
> - if (unlikely((regs->xcs | 8) == 0x88)) /* 0x80 or 0x88 */
> + if (unlikely((unsigned)(regs->xcs - (GDT_ENTRY_PNPBIOS_BASE * 8)) < 16))
> {
> extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp;
> extern u32 pnp_bios_is_utter_crap;
--
Matthias Andree
Encrypt your mail: my GnuPG key ID is 0x052E7D95
next prev parent reply other threads:[~2003-10-27 19:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-27 4:42 Matthias Andree
2003-10-27 17:22 ` Brian Gerst
2003-10-27 19:13 ` Matthias Andree [this message]
2003-10-28 1:49 ` Maciej Babinski
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